Pioneer KEH-P424 Service Manual page 39

QQ
3 7 63 1515 0
Pin No. Pin Name
bsens
66
67 CLKIN
68 VDD
69 X2
70 X1
71 IC
72 NC
73 TESTIN
74 AVDD
75 AVREF0
76 SL
77 CL
78–80 NC
*PD4915A,*PD4917A
21
TE
L 13942296513
40
CXA2560Q
www
.
http://www.xiaoyu163.com
I/O Format
I
I
I
I
I
I
I
80
61
x ao u163
y
i
http://www.xiaoyu163.com
KEH-P424,P4700,P4750
2 9
8
Function and Operation
Back up power sense input
Clock input
Power supply
Oscillator output
Oscillator input
GND
Not used
Test program mode input
A/D converter analogue power
A/D converter standard voltage input
Signal level input
Synchronizing signal input of display data latch
Not used
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
Format
C
N
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
Meaning
C MOS
N Channel open drain
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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